auto parts rubber parts Size stability is good Anti-aging custom part&molded rubber part good quality Moulded auto parts rubber parts in NBR1, Material:NBR,CR,SBR,HNBR, ACM,EPDM,IIR,NR,EP,Silicone,Viton etc.2, Hardness:Between 30~90 shore A3, Property:high/low temperature resistance,oil and fuel resistance,weathering resistance,Ozone resistance etc.4, Certification:ISO9001:2008,ROHS,FDA5, Packing ...